Robert Marshall has a total of 1 patent(s) in the database.
* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.
Patent Number: 6272937 View patent at USPTO Title: GAS SAMPLING SYSTEM Assignee: EAI Corporation Issue Date: August 14, 2001 Inventor(s): Thomas G. Albro, Bel Air, MD
John C. Berends Jr., Bel Air, MD
Robert S. Marshall, Ijamsville, MD
R. William Mengel, Laramie, WY
Christopher D. Sloop, Mt. Airy, MD